Authors: Rina Mina; Marisa S Klein-Gitelman; Angelo Ravelli; Michael W Beresford; Tadej Avcin; Graciela Espada; B Anne Eberhard; Laura E Schanberg; Kathleen M O'Neil; Clovis A Silva; Gloria C Higgins; Karen Onel; Nora G Singer; Emily von Scheven; Lisa F Imundo; Shannen Nelson; Edward H Giannini; Hermine I Brunner Journal: Arthritis Care Res (Hoboken) Date: 2012-05 Impact factor: 4.794